HP 49g Entering data, Calculating single-variablestatistics

Chapter 16

Statistical Applications

The calculator provides the following pre-programmed statistical features accessible through the keystroke combination ‚Ù(the 5key):

Entering data

Applications number 1, 2, and 4 from the list above require that the data be available as columns of the matrix Σ DAT. This can be accomplished by entering the data in columns using the matrix writer, „², and then using functions STOΣ to store the matrix into Σ DAT.

For example, enter the following data using the Matrix Writer (see Chapters 8 or 9 in this guide), and store the data into Σ DAT:

2.1 1.2 3.1 4.5 2.3 1.1 2.3 1.5 1.6 2.2 1.2 2.5.

The screen may look like this:

Notice the variable @£DAT listed in the soft menu keys.

Calculating single-variable statistics

After entering the column vector into Σ DAT, press ‚Ù@@@OK@@ to select 1. Single-var..The following input form will be provided:

Page 16-1